package com.dk.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.dk.config.AlipayConfig;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;

@RestController
@RequestMapping("tradeController")
public class TradeController {
    /**
     *
     * @param WIDout_trade_no//订单号
     * @param WIDtotal_amount//付款金额
     * @param WIDsubject//订单名称
     * @param WIDbody//商品描述
     * @return
     */

    //付款
    @GetMapping("alipayTradePagePay")
    @ApiOperation(value = "付款")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "WIDout_trade_no",value = "订单号",required = true),
            @ApiImplicitParam(name = "WIDtotal_amount",value = "付款金额",required = true),
            @ApiImplicitParam(name = "WIDsubject",value = "订单名称",required = true),
            @ApiImplicitParam(name = "WIDbody",value = "描述",required = true)
    })
    public String alipayTradePagePay(String WIDout_trade_no,String WIDtotal_amount,
                                     String WIDsubject,String WIDbody){

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDout_trade_no +"\","
                + "\"total_amount\":\""+ WIDtotal_amount +"\","
                + "\"subject\":\""+ WIDsubject +"\","
                + "\"body\":\""+ WIDbody +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //请求
        String result = null;
        try {
            result = alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        System.out.println(result);
        //输出
        return result;
    }
}
